It is a quasi musical starring Marlene Willis singing the Title Song: "You're My Living Doll".
Just like the film "Kong Island" without a Kong, or "She Gods of Shark reef", the title of the film is a misnomer as no one is attacked by any puppet people.
People start disappearing right off the bat. We already guessed the reason.
Mr. Franz (John Hoyt) has a new secretary after being sure she had no relatives or close friends. This already sounds sinister. Soon the secretary introduced to the top salesman Bob (John Agar of "The Brain from Planet Arous" fame). What about bob? Soon they plan to marry and Bob also disappears.
For some strange reason the secretary Sally (Joyce Meadows) suspects poor Mr. Franz just because he cannot stand to be left behind. We too suspect Franz, but that is crazy. Luckily no one else is crazy or we would not have this well made for the era black and white movie.